Ultrasonic Thickness Measurements 2011.pdf

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ADF&G FY27 RV Medeia Shipyard Services - Request for Information (RFI)
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ADF&G FY27 RV Medeia Shipyard Services - Request for Information (RFI)
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This is a Thickness Measurement Report (TM-6) prepared by Elander Inspection Ltd., a nondestructive testing and marine inspection company based in Richmond, British Columbia, documenting ultrasonic thickness measurements conducted on the R.V. Medeia on March 17, 2011. The report (E11-018-004) provides comprehensive thickness measurements of miscellaneous structural members and various piping systems aboard the vessel, including suction and discharge manifolds, overboard penetrations, sewage piping, bilge pump piping, and fuel tank piping systems. The measurements were taken at multiple locations throughout the vessel including the engine room, void spaces, and fuel tank areas, with structured documentation of port and starboard locations where applicable. Original thicknesses are referenced against class minimum thickness requirements, with gauged readings compared to these standards to calculate diminution percentages indicating corrosion or wear.

The report presents detailed thickness data organized by structural location and pipe designation, with measurements provided in inches and diminution calculated as both absolute values and percentages of original thickness. Multiple pipe schedules are documented, including 4-inch Schedule 80 pipes, 4-inch Schedule 40 pipes, 2-inch Schedule 80 pipes, and 1.25-inch Schedule 80 pipes, with measurements taken at top, bottom, inboard, and outboard positions on horizontal pipes and at multiple circumferential locations on vessel components. The report includes a general note that all original thicknesses used are to be confirmed by original ship drawings and should not be used without first confirming actual thickness, and notes that diminution calculations were not possible for data lacking original thickness values. The comprehensive assessment identifies several areas of significant corrosion, with some measurements showing diminution percentages exceeding 50 percent in specific locations.

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THICKNESS MEASUREMENT REPORT - TM-6

REPORT ON THICKNESS MEASUREMENT OF MISCELLANEOUS STRUCTURAL MEMBERS

Substantial corr

Ship's Name: Id.No: Legend: Below class min

Port Stbd

Inches Sch. Inches Inches Inches Inches Inches % Inches %

S1 Top Box 0.375 0.263 0.350 0.341 0.03 6.7% 0.03 9.1% GENERAL NOTE: ALL ORIGINAL

Aft Box 0.375 0.263 0.366 0.345 0.01 2.4% 0.03 8.0% THICKNESSES USED IN THIS

Btm Box 0.375 0.263 0.369 0.327 0.01 1.7% 0.05 12.8% REPORT ARE TO BE CONFIRMED

- - BY ORIGINAL SHIPS' DWGS

S2 Top Box 0.375 0.263 0.381 - 0.00 0.0%

Aft Box 0.375 0.263 0.333 - 0.04 11.2% DO NOT USE THE REFERENCED

Btm Box 0.375 0.263 0.359 - 0.02 4.3% THICKNESES WITHOUT FIRST

- - CONFIRMING THE ACUTAL

- - THICKNESS.

O1 Top Box 0.375 0.263 0.316 0.373 0.06 15.7% 0.00 0.5%

Aft Box 0.375 0.263 0.338 0.334 0.04 9.9% 0.04 10.9% DIMINUTION CALCULATIONS

Btm Box 0.375 0.263 0.342 0.341 0.03 8.8% 0.03 9.1% WAS NOT POSSIBLE FOR DATA

- - WITH NO ORIGINAL THICKNESS

O2 Top Box 0.375 0.263 0.383 - 0.00 0.0%

Aft Box 0.375 0.263 0.338 - 0.04 9.9%

Btm Box 0.375 0.263 0.345 - 0.03 8.0%

P1 0.000 0.250 - -

P2 0.000 0.242 - -

P3 0.000 0.278 - -

P4 0.000 0.238 - -

P5 0.000 0.128 - -

P6 0.000 0.248 -

P7 0.000 0.238 -

P8 0.000 0.245 -

Suction Manifold Pipe

Pipe - 1st from manifold

Pipe - 1st from manifold

Pipe - 1st from manifold

Pipe - 1st from manifold

Pipe - 1st from manifold

Pipe - 1st from manifold

Pipe - 1st from manifold

Pipe - 1st from manifold

Pipe - 1st from manifold

Discharge Manifold

Top Plate, Aft Plate

Btm Plate

Drawing/CommentsPort Starboard

Suction Manifold

Top Plate, Pipe Size Pipe Sch.

Location of Structure: Void/Engine Room/Fuel Tanks Frame No. n/a

Description Element /

Frame No.

Draw ref.

Orig thk.

Class min thk.

Gauged

R.v. Medeia N/A Report No: E11-018-004

Description: Various Piping Systems

Diminution

Top Plate, Aft Plate

Btm Plate

Aft Plate

Btm Plate

Top Plate, Aft Plate

Btm Plate

ELANDER INSPECTION LTD.

Suite 128 – 11800 River Road, Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca Web Page: Elanderinspection.ca Nondestructive Testing and Marine Inspection

R.V. Medeia - UTM Piping ELANDER INSPECTION LTD. March 17, 2011

Ship's Name: Id.No: Legend: Below class minR.v. Medeia N/A Report No: E11-018-004

Description: Various Piping Systems

Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca Web Page: Elanderinspection.ca Nondestructive Testing and Marine Inspection

D1 0.000 0.240 - -

D2 0.000 0.246 - -

D3 0.000 0.241 - -

D4 0.000 0.255 - -

D5 0.000 0.178 - -

D6 0.000 0.242 - -

D7 0.000 0.258 - -

D8 0.000 0.234 - -

0.000

Top 1 0.000 0.177 - -

Btm 1 0.000 0.182 - -

Top 2 0.000 0.177 - -

Btm 2 0.000 0.182 - -

Top 3 0.000 0.179 - -

Btm 3 0.000 0.196 - -

Top 0.500 0.337 0.236 0.490 0.00 0.0% - Original thickness estimated

Top 0.500 0.337 0.236 0.496 0.00 0.0% - Original thickness estimated

Side 0.500 0.337 0.236 0.460 - 0.00 0.0% Original thickness estimated

Side 0.500 0.337 0.236 0.465 - 0.00 0.0% Original thickness estimated

Side 0.500 0.337 0.236 0.467 - 0.00 0.0% Original thickness estimated

Top 0.000 0.260 - -

Btm 0.000 0.265 - -

Pipe - 1st from manifold

Pipe - 1st from manifold

Pipe - 1st from manifold

Pipe - 1st from manifold

(Area tested from E/R Aft - 10' )

Fwd Nozzle

Sea Chest

Main Body and frm Fwd BHD + 10' Approx)

40' of Pipe from Manifold

Discharge Manifold Pipe

Pipe - 1st from manifold

Pipe - 1st from manifold

Pipe - 1st from manifold

Pipe - 1st from manifold

Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca

Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca Web Page: Elanderinspection.ca Nondestructive Testing and Marine Inspection

Inbd B1 0.337 0.236 0.260 0.08 22.8%

Aft B1 0.337 0.236 0.272 0.07 19.3%

Top B2 0.337 0.236 0.286 0.05 15.1% -

Btm B2 0.337 0.236 0.262 0.08 22.3% -

Top B3 0.337 0.236 0.289 0.05 14.2% -

Top B3 0.337 0.236 0.268 0.07 20.5% -

Fwd B4 0.337 0.236 0.268 0.07 20.5% -

Side B4 0.337 0.236 0.258 0.08 23.4% -

0.000 0.199 - -

0.000 0.201 - -

0.000 0.184 - -

0.000 0.180 - -

0.000 0.167 - -

0.000 0.162 - -

Top 0.000 0.284 - -

Aft Side 0.000 0.277 - -

0.000 - -

OB-1 4 Sch. 80 0.337 0.236 0.279 - 0.06 17.2%

4 Sch. 80 0.337 0.236 0.244 - 0.09 27.6% ds - -

OB-2 4 Sch. 80 0.337 0.236 0.262 0.08 22.3%

4 Sch. 80 0.337 0.236 0.268 0.07 20.5%

4 Sch. 80 0.337 0.236 0.282 0.06 16.3%

OB-3 4 Sch. 80 0.337 0.236 0.175 - 0.16 48.1%

4 Sch. 80 0.337 0.236 0.179 - 0.16 46.9%

4 Sch. 80 0.337 0.236 0.148 - 0.19 56.1%

OB-4 4 Sch. 80 0.337 0.236 0.285 - 0.05 15.4%

4 Sch. 80 0.337 0.236 0.249 - 0.09 26.1%

Vertical Pipe below Elbow going to Tank

Horizontal pipe after Fwd BHD

Discharge Pipe

Hortizontal Pipe going fwd

Aft of Fwd BHD

90 degree Elbow aft of Valve

Pipe System in Area of Overboard

Void Space Overboard Penetrations

1st Fwd (Fwd BHD)

1st Fwd

2nd Fwd

2nd Fwd

3rd Fwd

3rd Fwd (Aft. BHD)

Sewage Pipe Through-hull

Fwd Nozzle

Bildge Pump and Piping

90 Degree Elbow

Vertical Pipe below Elbow

Vertical pipe above pump

Vertical pipe above pump

Fwd Nozzle

Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca

Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca Web Page: Elanderinspection.ca Nondestructive Testing and Marine Inspection

1 Top 4 Sch. 80 0.337 0.236 0.174 0.16 48.4% -

Side 4 Sch. 80 0.337 0.236 0.212 0.13 37.1% -

Btm 4 Sch. 80 0.337 0.236 0.206 0.13 38.9% -

Outbd Radius - -

2 Top 4 Sch. 80 0.337 0.236 0.340 0.00 0.0% -

Btm 4 Sch. 80 0.337 0.236 0.349 0.00 0.0% -

3 Top 4 Sch. 80 0.337 0.236 0.297 0.04 11.9% -

Btm 4 Sch. 80 0.337 0.236 0.271 0.07 19.6% -

SD-1 Top 4 Sch. 80 0.337 0.236 0.258 - 0.08 23.4%

Inbd 4 Sch. 80 0.337 0.236 0.274 - 0.06 18.7%

Btm 4 Sch. 80 0.337 0.236 0.274 - 0.06 18.7%

Outbd 4 Sch. 80 0.337 0.236 0.265 - 0.07 21.4%

SD-2 Top 4 Sch. 80 0.337 0.236 0.212 - 0.13 37.1%

Inbd 4 Sch. 80 0.337 0.236 0.197 - 0.14 41.5%

Btm 4 Sch. 80 0.337 0.236 0.202 - 0.14 40.1%

Outbd 4 Sch. 80 0.337 0.236 0.202 - 0.14 40.1%

SD-3 Top 4 Sch. 80 0.337 0.236 0.265 - 0.07 21.4%

Inbd 4 Sch. 80 0.337 0.236 0.264 - 0.07 21.7%

Btm 4 Sch. 80 0.337 0.236 0.274 - 0.06 18.7%

Outbd 4 Sch. 80 0.337 0.236 0.264 - 0.07 21.7%

SD-4 Top 4 Sch. 80 0.337 0.236 0.285 - 0.05 15.4%

Inbd 4 Sch. 80 0.337 0.236 0.275 - 0.06 18.4%

Btm 4 Sch. 80 0.337 0.236 0.268 - 0.07 20.5%

Outbd 4 Sch. 80 0.337 0.236 - -

Horizontal Pipe going Aft

Horizontal pipe going Inbd.

Horizontal Pipe past Loc. 3

90 Degree Elbow

90 degree Elbow Fwd of reducer

Sewage discharge Pipe in Closet

Horizontall Pipe

Waste Water to Tank located in Fwd Berth Area (Port side)

Pipe aft of reducer

Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca

Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca Web Page: Elanderinspection.ca Nondestructive Testing and Marine Inspection

SD-5 Top 4 Sch. 80 0.337 0.236 0.265 - 0.07 21.4%

Inbd 4 Sch. 80 0.337 0.236 0.240 - 0.10 28.8%

Btm Sch. 80 0.337 0.236 0.247 - 0.09 26.7%

Outbd Sch. 80 0.337 0.236 0.240 - 0.10 28.8%

SD-6 Fwd Sch. 80 0.337 0.236 0.275 - 0.06 18.4%

Aft Sch. 80 0.337 0.236 0.280 - 0.06 16.9%

Top 4" Sch 40 0.237 0.166 0.242 0.00 0.0% - Pipes identified Fwd to Aft

Btm 4" Sch 40 0.237 0.166 0.267 0.00 0.0% -

Top 4" Sch 40 0.237 0.166 0.210 0.03 11.4% -

Btm Sch 40 0.204 0.143 0.209 0.00 0.0% -

Top 1 1/4" Sch 80 0.190 0.133 0.197 0.00 0.0% -

Btm 1 1/4" Sch 80 0.190 0.133 0.172 0.02 9.5% -

Top 0.237 0.166 0.275 0.00 0.0% -

Btm 0.237 0.166 0.255 0.00 0.0% -

Top 0.187 0.131 0.172 0.171 0.02 8.0% 0.02 8.6%

Middle 0.187 0.131 0.177 0.191 0.01 5.3% 0.00 0.0%

Middle 0.187 0.131 0.181 0.180 0.01 3.2% 0.01 3.7%

Btm 0.187 0.131 0.180 0.169 0.01 3.7% 0.02 9.6%

Top 0.187 0.131 ds 0.214 - 0.00 0.0%

Aft Side 0.187 0.131 0.200 0.195 0.00 0.0% 0.00 0.0%

Btm 0.187 0.131 0.164 0.176 0.02 12.3% 0.01 5.9%

Top 0.187 0.131 0.190 0.00 0.0% -

Aft Side 0.187 0.131 0.172 0.02 8.0% -

Btm 0.187 0.131 0.168 0.02 10.2% -

Top 0.187 0.131 0.164 0.172 0.02 12.3% 0.02 8.0%

Middle 0.187 0.131 0.170 0.165 0.02 9.1% 0.02 11.8%

Middle 0.187 0.131 0.168 0.165 0.02 10.2% 0.02 11.8%

Btm 0.187 0.131 0.176 0.164 0.01 5.9% 0.02 12.3%

Outboard Head

Outboard Head

Shell Circ 1

Shell Circ 1

Shell Circ 1

Air Receivers

Shell Circ 2

Shell Circ 2

Shell Circ 2

Inboard Head

Inboard Head

Inboard Head

Inboard Head

Outboard Head

Outboard Head

2nd Fwd

3rd Fwd

3rd Fwd

4th Fwd

4th Fwd

Engine Room Overboad Discharge Pipe

1st Fwd

1st Fwd

2nd Fwd

Vertical Pipe below Elbow

Upper hoizontal Pipe

Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca

Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca

Top 2" Sch. 80 0.218 0.153 0.196 0.02 10.1% -

Outbd 0.218 0.153 0.177 0.04 18.8% -

Btm 0.218 0.153 0.196 0.02 10.1% -

Inbod 0.218 0.153 0.195 0.02 10.6% -

Top 2" Sch. 80 0.218 0.153 0.209 0.01 4.1% -

Outbd 0.218 0.153 0.201 0.02 7.8% -

Btm 0.218 0.153 0.197 0.02 9.6% -

Inbod 0.218 0.153 0.213 0.01 2.3% -

Top 2" Sch. 80 0.218 0.153 0.190 0.03 12.8% -

Outbd 0.218 0.153 0.191 0.03 12.4% -

Btm 0.218 0.153 0.193 0.03 11.5% -

Inbod 0.218 0.153 0.198 0.02 9.2% -

Top 2" Sch. 80 0.218 0.153 0.223 0.00 0.0% -

Outbd 0.218 0.153 0.212 0.01 2.9% -

Btm 0.218 0.153 0.217 0.00 0.5% -

Inbod 0.218 0.153 0.216 0.00 0.9% -

Top 2" Sch. 80 0.218 0.153 0.201 0.02 7.8% -

Outbd 0.218 0.153 0.211 0.01 3.2% -

Btm 0.218 0.153 0.219 0.00 0.0% -

Inbod 0.218 0.153 0.218 0.00 0.0% -

Top 2" Sch. 80 0.218 0.153 0.200 0.02 8.3% -

Outbd 0.218 0.153 0.201 0.02 7.8% -

Btm 0.218 0.153 0.206 0.01 5.5% -

Inbod 0.218 0.153 0.196 0.02 10.1% -

Top 2" Sch. 80 0.218 0.153 0.216 0.00 0.9% -

Outbd 0.218 0.153 0.192 0.03 11.9% -

Btm 0.218 0.153 0.214 0.00 1.8% -

Inbod 0.218 0.153 0.198 0.02 9.2% -

Bunker Fuel Tank - Fwd Space

Middle Fuel Tank - Aft Space Fwd

Middle Fuel Tank - Aft Space Aft

Middle Fuel Tank - Fwd Space fr. Fwd BHD

Bow Fuel Tank - Aft Space

Bow Fuel Tank - Middle Space

Fuel Tank Piping from Manifold

Bow Fuel Tank - Fwd Space

Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca

Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca Web Page: Elanderinspection.ca Nondestructive Testing and Marine Inspection

Top 2" Sch. 80 0.218 0.153 0.208 0.01 4.6% -

Outbd 0.218 0.153 0.198 0.02 9.2% -

Btm 0.218 0.153 0.196 0.02 10.1% -

Inbod 0.218 0.153 0.196 0.02 10.1% -

0.218 0.153 0.196 0.02 10.1% -

Top 2" Sch. 80 0.218 0.153 0.198 0.02 9.2% -

Outbd 0.218 0.153 0.205 0.01 6.0% -

Btm 0.218 0.153 0.205 0.01 6.0% -

Inbod 0.218 0.153 0.198 0.02 9.2% -

Bunker Fuel Tank - Aft Space

1. Bunker Fuel Tank - 2nd Space fr. Fwd Bhd.

Richmond, B.C. Canada V6X 1Z7 Phone: (604)214-1318 Fax: (604)214-1349 E-mail: Elander@intergate.ca

File details come from the government source that posted it. Updated .